IOS

[Study Notes] [C Language] assignment, learning notes assignmentThe process of assigning a value to a variable is called a value assignment. 1. Simple assignment The C language specifies that variables must be defined before they can be used. You

IOS custom controls are similar to those in the drop-down box and ios custom drop-down boxes In the recently developed logistics-related APP, the number of goods units must be selected within a given range (for example, tons, sides, and parts), but

Quick gif animation creation method (with tools) and gif Creation Method Currently, images are often referenced during blog or wiki writing, especially when the client is often related to pages. However, an increasing number of effects cannot be

XML for iOS advanced programming, JSON data parsing, and iosjson Basic Concepts So-called "resolution": engage in extracting data from a specified format string Prerequisites for parsing: The format is agreed in advance, the data provider provides

Ios network programming (Entry level)-basic knowledge, ios Network Programming In the process of learning ios, I stayed in the UI control for a long time. Now I am gradually getting in touch with it !!!!!! In this process, I learned some knowledge

Dark Horse programmer-protocol (protocol), dark horse-protocol------ Java training, Android training, iOS training, and. Net training. We look forward to communicating with you! ------- Can be used to declare a lot of methods (member variables

Three Common IOS bullet boxes and three ios bullet boxesSo far, three types of IOS pop-up boxes have been known: 1. System pop-up box-bottom pop-up box UIActionSheet (1) usage: handling users' very dangerous operations, such as canceling the system (

IOS development: Use Block to pass values between two interfaces (Block advanced usage: Block to pass values) There are many places where Block is used, and the value in the Block is only a small part. The following describes the value transfer

Add watermark text on IOS images (watermark text on Weibo)   Create a category (you can go to Baidu if you don't know how to create it ). Class Object. h file name: UIImage + watermark   # Import   @ Interface UIImage (watermark) // Define a

IOS network data download and JSON parsing, and ios data json ParsingIntroduction to IOS network data download and JSON Parsing In this article, I will introduce how to use NSURLConnection to download data from the network, parse the downloaded

IOS network data download and JSON parsing, and ios data json ParsingIOS network data download and JSON Parsing  Introduction In this article, I will introduce how to use NSURLconnection to download data from the network, parse the downloaded JSON

IOS-Core Data basics and ios-coredata Basics Core Data basics Core Data is an API set designed to simplify persistent storage of Data objects. Here, we will not popularize the concept. First, we will use a simple case to feel the subtlety of Core

Xcode updates, various plug-in adaptation issues, and xcode update plug-in adaptation Every time you update Xcode, you need to add UUID to each plug-in. This is too troublesome. You just need to run a small program.This programRestart Xcode, and the

There are several methods for reading and writing files in the sandbox, and several methods for reading and writing files in the sandbox. @ Implementation ViewController -(Void) viewDidLoad { [Super viewDidLoad]; // H obtain the application

IOS Development Series-Objective-C memory management (written by the predecessors, for reference, awesome)Overview We know that a large number of objects need to be created during the program running. Similar to other advanced languages, objects in

IOS multithreading implementation 1-pthread, ios multithreading 1-pthread A set of universal multi-threaded APIs, written in C language, cross-platform \ portable, suitable for Unix, Linux, Windows and other systems, but it is difficult to use, the

IOS UI03_UIViewController View Controller // // AppDelegate. m // UI03_UIViewController View Controller // // Created by dllo on 15/7/31. // Copyright (c) 2015 zhozhicheng. All rights reserved. //   # Import AppDelegate. h # Import

[Switch] several timer types in iOS, ios Timer This article is reprinted content, the original address: http://www.cocoachina.com/ios/20150519/11857.html? Utm_source = tuicool The knowledge points here are common in our daily development. For

GCD-usage and sumif Functions Code:   -(Void) touchesBegan :( NSSet *) touches withEvent :( UIEvent *) event {dispatch_async (dispatch_get_global_queue (DISPATCH_QUEUE_PRIORITY_DEFAULT, 0 ), ^ {// parsing the url in the background NSURL * url =

Common Xcode shortcuts and xcode shortcuts 1. FileCMD + N: New FileCMD + SHIFT + N: new projectCMD + O: OpenCMD + S: SaveCMD + OPt + S: Save all filesCMD + SHIFT + S: SaveCMD + W: Close the windowCMD + Q: Exit XcodeCMD + SHIFT + W: Close the file2.